| How to fix a  leaky faucet in 5 minutes, with single handle faucets the problem usually is  associated with a worn out O-ring. To fix a single handle leaky faucet, first  turn off water to the faucet by shutting off the water supply valves underneath  the sink. Next, push the handle of the faucet to the ON position to make sure  water is indeed turned off to the faucet. Remove the cap cover from the top of  the faucet handle that is causing the leak. The small common screwdriver may  come in handy here to remove the cap.                                    Next, using a screwdriver remove the screw that holds the handle to the faucet  valve stem. Once the screw has been removed, use a wrench to unscrew the nut  that secures the faucet valve stem to the faucet. Now remove the handle  assembly from the leaky faucet. There is usually a small screw located on the  backside of the faucet handle. |